The Compensator,liquid Quantity Gage, cataloged under National Stock Number 6680-01-015-2143, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Firstmark Aerospace Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-015-2143 |
| Primary Part Number | FG150L1 |
| Item Name | Compensator,liquid Quantity Gage |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Firstmark Aerospace Corp |
| Status | ACTIVE |
| Contact Type | WIRE LEAD |
| Electrical Connection Quantity | 1 |
| Overall Diameter | 2.317 INCHES NOMINAL IN |
| Rated Air Capacitance in Picofarads | 32.5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FG150L1 PRIMARY | Firstmark Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 10-3065-205 | 7/2 Vendor item drawing reference U.S. Government activity |
| 10-3065-149 | 5/9 Secondary reference U.S. Government activity |
| FG150L1 | 5/9 Secondary reference U.S. Government activity |
| FG150L1 | 5/9 Secondary reference Honeywell International, Inc Dba Honeywell International Div Honeywell Energy Solutions Group |
| FG150J-27 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-015-2143 is a Compensator,liquid Quantity Gage, manufactured by Firstmark Aerospace Corp, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-015-2143 has 1 manufacturer part number on file: FG150L1 (Firstmark Aerospace Corp).
Key specifications for FG150L1: Contact Type: WIRE LEAD; Electrical Connection Quantity: 1; Overall Diameter: 2.317 INCHES NOMINAL IN; Overall Length: 17.850 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.